The Zara test is currently limited to only one store, but it could be rolled out to more locations soon.

Zara parent company Inditex, one of the largest fashion companies in the world with more than 7,400 stores, is currently in talks with Cleveron over a possible wider rollout of the technology, Cleveron CEO Andres Liinat told Business Insider.

Several other major retailers have also approached Cleveron about the technology, Liinat said.

The machines are meant to simplify and speed up the pickup process for customers who order items online and have them shipped to stores.

At Walmart, the pickup towers are located right inside the store entrance. Shoppers scan a barcode on their phones, and the machines retrieve their packages within seconds.

Shipping products to stores is becoming an increasingly popular option for customers, as more and more companies look to reduce shipping costs and leverage their brick-and-mortar locations by giving shoppers incentives for in-store pickup.

It won’t be long before customers start seeing the technology deployed in grocery stores, according to Liinat.